The secrets of Mercury's strange magnetic bubble are gradually being unlocked by the BepiColombo spacecraft as it makes its rapid flybys of the world.

The main working hypothesis for the Mercury problem says that the planet is the victim of a collision with a different-sized object. The cataclysmic collision stripped much of the planet's mantle and ...

BepiColombo just imaged Mercury in a whole new light — mid-infrared light, to be precise. On the spacecraft's fifth flyby of ...

Mercury will be farthest from the sun on Tuesday (Aug. 19), granting early risers a perfect opportunity to spot the fleet-footed world somewhat separated from the glare of our parent star. Mercury ...